18081489 (number)

18081489 is an odd 8-digits composite number following 18081488 and preceding 18081490. In scientific notation, it is written as 1.8081489 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 11345216 positive integers (up to 18081489) that are relatively prime to 18081489.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand four hundred eighty-nine

Notation

Scientific notation 1.8081489 × 10^7
Engineering notation 1.8081489 × 10^6

Prime Factorization of 18081489

Prime Factorization 3 × 17 × 354539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18081489
Product of the distinct prime numbers

The prime factorization of 18081489 is 3 × 17 × 354539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081489)

Multiplication

n×y
n×2 36162978
n×3 54244467
n×4 72325956
n×5 90407445

Division

n÷y
n÷2 9040744.5
n÷3 6027163
n÷3 4520372.25
n÷5 3616297.8

Exponentiation

ny
n2 326940244457121
n3 5.9115664338087E+21
n4 1.0688992344568E+29
n5 1.9327289749939E+36

Nth Root

y√n
2√n 4252.2334131607
3√n 262.46902854548
4√n 65.20915129919
5√n 28.277879422207

Divisors of 18081489

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081489 can be divided by 8 positive divisors. The sum of these divisors (counting 18081489) is 1, the average is 0.125.

Base conversion 18081489

Base System Value
2 Binary 1000100111110011011010001
3 Ternary 1021000122010210
4 Quaternary 1010332123101
5 Quinary 14112101424
6 Senary 1443314333
8 Octal 104763321
10 Decimal 18081489
12 Duodecimal 607b9a9
16 Hexadecimal 113e6d1
20 Vigesimal 5d03e9
36 Base36 arjrl

Cryptographic Hash Functions

md5 ebe76ba8f39353edcfa9871739119a72
sha1 9a9161201ed56f9ffa0fa1d99fc23e0841da799d
sha256 bbacdb3942a3d72071d08d72c417aa24263dc5cd14eca3a77f0495c71f8541f5
sha512 06fcfbd1e0a12cf37a39cb9dc17b2f1674072dbd7ea546ab6b80e91628d4389927ddad205f2c5df41740f88e7925092b07ae2077e53a5d5d74daf20d0e2bc65f
ripemd-160 835e9a5c410bb8a6f6b3d25f2e60a6e9b465856f

18081489 as geometric shapes

Circle

Radius = n
Diameter 36162978
Circumference 113609346.01673
Area 1.0271130701493E+15

Sphere

Radius = n
Volume 2.4762311572882E+22
Surface area 4.1084522805974E+15
Circumference 113609346.01673

Square

Length = n
Perimeter 72325956
Area 326940244457121
Diagonal 25571086.9717

Cube

Length = n
Surface area 1961641466742726
Volume 5.9115664338087E+21
Space diagonal 31318057.624498

Equilateral Triangle

Length = n
Perimeter 54244467
Area 1.4156927860968E+14
Altitude 15659028.812249

Triangular Pyramid

Length = n
Surface area 1.4156927860968E+14
Volume 6.9668478546349E+20
Height 8523695.6572333